Effectiveness of the drug «Salmogyr®» in dactylogyrosis of carp

Carp remains one of the main farmed fish species in Russian aquaculture. However, the factor inhibiting the growth of carp production is the presence of parasitic diseases. Dactylogyrosis occupies one of the leading positions among parasitic diseases of carp. The monogeneae causing it usually have a pronounced specificity, are strictly confined to certain species or genera of fish and are capable of causing their mass death. In this regard, the comparative effectiveness of the new drug SALMOGIR®, the active ingredient of which is praziquantel, in carp dactylogyrosis was carried out under different temperature conditions. The drug was used in doses of 0.1 ml/l and 0.2 ml/l for 24 hours at a water temperature of 6–8, 10–12 and 18–20 °С. The dependence of the effectiveness of treatment with the drug in carp dactylogyrosis on the water temperature was revealed. It was found that the drug has the greatest effectiveness at a water temperature of 18–20 °С at a dose of 0.2 ml/l. During the experiment, no side effects from exposure to the drug were detected in carp in any of the groups. Additionally, it was found that the aqueous solution of SALMOGIR® is stable for 24 hours. Chromatography was performed according to the developed and validated method.